linux-kernel - [PATCH] Driver core: don't initialize wakeup flags

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Message-ID: <Pine.LNX.4.44L0.1003081645100.1297-100000@iolanthe.rowland.org>
Date:	Mon, 8 Mar 2010 16:46:19 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Greg KH <greg@...ah.com>
cc:	Kernel development list <linux-kernel@...r.kernel.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>
Subject: [PATCH] Driver core: don't initialize wakeup flags

This patch (as1351) removes an unnecessary and unwanted assignment
from device_initialize().  The wakeup flags are set to 0 along with
everything else when the device structure is allocated, so we don't
need to do it again.  Furthermore, the subsystem might already have
set these flags to their correct values; we don't want to override it.

Signed-off-by: Alan Stern <stern@...land.harvard.edu>

---

Index: usb-2.6/drivers/base/core.c
===================================================================
--- usb-2.6.orig/drivers/base/core.c
+++ usb-2.6/drivers/base/core.c
@@ -561,7 +561,6 @@ void device_initialize(struct device *de
 	mutex_init(&dev->mutex);
 	spin_lock_init(&dev->devres_lock);
 	INIT_LIST_HEAD(&dev->devres_head);
-	device_init_wakeup(dev, 0);
 	device_pm_init(dev);
 	set_dev_node(dev, -1);
 }

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